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Dell laptop charger output voltage fluctuates from 16.9 V to 19V

Discussion in 'Sensors and Actuators' started by Devsb, Nov 14, 2020.

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  1. Devsb

    Devsb

    2
    0
    Nov 14, 2020
    My Dell latitude laptop battery charger output voltage is fluctuating from 16.9V to 19.2V. My laptop was not charging. When I showed to technician he told power IC is damaged. He replaced IC. Now after repair I am in a fix whether to connect charger to laptop or not due to output voltage fluctuation. Whether this is normal or should I change charger? Can somebody help and suggest?
     
  2. Kabelsalat

    Kabelsalat

    145
    27
    Jul 5, 2011
    Why not just measure the voltage to ensure the voltage is correct ?
     
  3. dave9

    dave9

    961
    252
    Mar 5, 2017
    I'd ask someone in a Dell forum to measure theirs to see if it exhibits the same behavior, if there is not already a topic about it there.
     
  4. Devsb

    Devsb

    2
    0
    Nov 14, 2020
    I measured voltage in another good Dell laptop charger where voltage fluctuates from 19.1V to 19.5V but not went below 19V. I am not connecting my laptop charger to my laptop in a fear that again my laptop power IC may go bad. If somebody can help and confirms voltage fluctuation from 16.9V to 19.2V is normal, it will help.
     
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